3 years ago

Emily exercised from 4:05 p.m.to 4:32 p.m. For what part of an hour did Emily exercise ? Write the fraction in simplest form

1 answer:

7 0

She exercised for 27/60 of an hour so if you divide that by 3 you get 9/20 and therefore, she exercised for 9/20 of an hour.

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It is known that 2.2< sq root 5 <2.3. Find all possible values of the expression: a sq root 5 +2 3- sq root 5 It is known

NISA [10]

Answer:

4.2 < sq. 5< 4.3

Step-by-step explanation:

since square root of 5 was +2 you just add +2 to both sides and you will get your answer, however it is different with different operations.

5 0

3 years ago

Find the parabola with equation y = ax2 + bx whose tangent line at (3, 12) has equation y = 10x − 18. y = incorrect: your answer

pishuonlain [190]

For these questions to be true and the equation of the tangent to have an equal y to the equation of the parabola i guess there has to be a "c" and in that case integrate the equation of the tangent you will have a = 5 and b = -18 then you substitute in the equation of the parabola with the point you have you will find that "c" = 21 and so the equation of the parabola becomes y = 5x^2 - 18 x +21

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3 years ago

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AveGali [126]

I'm glad to hear that, but where is the math problem?

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3 years ago

9.07 x 12 and 12.015 x 0.14

blagie [28]

Answer:

183.079764 if you round it would be around 183

Step-by-step explanation:

Have amazing day!

4 0

3 years ago

there are 60 boys and 72 girls in a school. the principle wants to divide the students into gender-specific groups ( all boys or

Tamiku [17]

Hello there,
You want to split them into gender specific groups.
So...
Find the HCF(highest common factor) of 60 & 72
The answer will be shown in the picture
I have done 2 methods :))

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3 years ago